Chemistry - Polymerisation

bonkysleuth SG

Here's the structure of lactic acid:

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HO - XXX - C - OH

Draw the structure of part of the polymer chain in PLA which is polylactic acid

My answer is

O O

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O - XXX -C -O - XXX -C

where XXX = rectangular box.

Also, here's one question

After use materials made from PLA are rapidly broken down by a variety of microorganisms. Suggest the products of this decomposition

thanks

dkcx SG

Organic compounds are mostly broken down into CO2 and water.if not wrong.

My poly FYP was a test of the amount of CO2 produced by biodegradable polymers to research whether they are really biodegradable anot and its rate of breakdown.